623750497 has 2 divisors, whose sum is σ = 623750498. Its totient is φ = 623750496.

The previous prime is 623750461. The next prime is 623750521. The reversal of 623750497 is 794057326.

623750497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446434641 + 177315856 = 21129^2 + 13316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623750497 is a prime.

It is not a weakly prime, because it can be changed into another prime (626750497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311875248 + 311875249.

It is an arithmetic number, because the mean of its divisors is an integer number (311875249).

Almost surely, 2^623750497 is an apocalyptic number.

It is an amenable number.

623750497 is a deficient number, since it is larger than the sum of its proper divisors (1).

623750497 is an equidigital number, since it uses as much as digits as its factorization.

623750497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 623750497 is about 24974.9974374373. The cubic root of 623750497 is about 854.4178278701.

The spelling of 623750497 in words is "six hundred twenty-three million, seven hundred fifty thousand, four hundred ninety-seven".